Finding the Fourth Proportional to 1,577,151.40, 2,174,202.84 and 1,123,655.08
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Solution
The fourth proportional to 1,577,151.40, 2,174,202.84 and 1,123,655.08 is: 1,549,029.51
Step by Step Solution
- Step 1: Write the proportion equation
1,577,151.40 : 2,174,202.84 = 1,123,655.08 : x - Step 2: Convert to fraction form
1,577,151.40/2,174,202.84 = 1,123,655.08/x - Step 3: Cross multiply
1,577,151.40x = 2,174,202.84 × 1,123,655.08 - Step 4: Simplify right side
1,577,151.40x = 2,443,054,066,116.43 - Step 5: Solve for x
x = 2,443,054,066,116.43/1,577,151.40 - Step 6: Final answer
x = 1,549,029.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.